* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
/*    background: #042104;*/
    animation: animate_bg_color 10s linear infinite;
}

@keyframes animate_bg_color {
    0% {
        filter: hue-rotate(0deg);
    }
    100% {
        filter: hue-rotate(360deg);
    }
}

.loader {
    position: relative;
}

.loader span {
    position: absolute;
    top: 0;
    left: -200px;
    width: 200px;
    transform-origin: right;
    transform: rotate(calc(18deg * var(--i)));
}

.loader span:before {
    content: '';
    position: absolute;
    left: 0;
    width: 15px;
    height: 15px;
    background: #00ff0a;
    border-radius: 50%;
    animation: animate 2s linear infinite;
    animation-delay: calc(-0.1s * var(--i));
    box-shadow: 0 0 10px #00ff0a, 0 0 20px #00ff0a, 0 0 40px #00ff0a, 0 0 60px #00ff0a, 0 0 80px #00ff0a, 0 0 100px #00ff0a;
}

@keyframes animate {
    0% {
        transform: translate(0) scale(0.5);
    }
    50% {
        transform: translate(200px) scale(1);
    }
    100% {
        transform: translate(0) scale(0.5);
    }
}